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/******************************************************************************

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 *

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 *  $Id$

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 *

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 *  Copyright (C) 2006  Florian Pose, Ingenieurgemeinschaft IgH

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 *

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 *  This file is part of the IgH EtherCAT Master.

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 *

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 *  The IgH EtherCAT Master is free software; you can redistribute it

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 *  and/or modify it under the terms of the GNU General Public License

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 *  as published by the Free Software Foundation; either version 2 of the

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 *  License, or (at your option) any later version.

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 *

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 *  The IgH EtherCAT Master is distributed in the hope that it will be

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 *  useful, but WITHOUT ANY WARRANTY; without even the implied warranty of

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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 *  GNU General Public License for more details.

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 *

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 *  You should have received a copy of the GNU General Public License

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 *  along with the IgH EtherCAT Master; if not, write to the Free Software

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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

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 *

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 *  The right to use EtherCAT Technology is granted and comes free of

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 *  charge under condition of compatibility of product made by

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 *  Licensee. People intending to distribute/sell products based on the

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 *  code, have to sign an agreement to guarantee that products using

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 *  software based on IgH EtherCAT master stay compatible with the actual

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 *  EtherCAT specification (which are released themselves as an open

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 *  standard) as the (only) precondition to have the right to use EtherCAT

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 *  Technology, IP and trade marks.

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 *

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 *****************************************************************************/

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/** \file

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 *

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 * EtherCAT interface for EtherCAT device drivers.

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 *

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 * \defgroup DeviceInterface EtherCAT Device Interface

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 *

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 * Master interface for EtherCAT-capable network device drivers. Through the

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 * EtherCAT device interface, EtherCAT-capable network device drivers are able

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 * to connect their device(s) to the master, pass received frames and notify

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 * the master about status changes. The master on his part, can send his

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 * frames through connected devices.

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 */

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/*****************************************************************************/

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#ifndef _ETHERCAT_DEVICE_H_

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#define _ETHERCAT_DEVICE_H_

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#include <linux/netdevice.h>

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/*****************************************************************************/

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struct ec_device;

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typedef struct ec_device ec_device_t; /**< \see ec_device */

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/**

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   Device poll function type.

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*/

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typedef void (*ec_pollfunc_t)(struct net_device *);

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/*****************************************************************************/

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// Offering/withdrawal functions

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int ecdev_offer(struct net_device *net_dev, ec_pollfunc_t poll,

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        struct module *module, ec_device_t **);

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void ecdev_withdraw(ec_device_t *device);

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/*****************************************************************************/

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// Device methods

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int ecdev_open(ec_device_t *device);

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void ecdev_close(ec_device_t *device);

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void ecdev_receive(ec_device_t *device, const void *data, size_t size);

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void ecdev_set_link(ec_device_t *device, uint8_t state);

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uint8_t ecdev_get_link(ec_device_t *device);

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/*****************************************************************************/

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#endif